Apparently drawing a picture and building a toy model counts as “almost developed”.

It works for Iran. Well, until someone shoots back...
It’s odd because the South was utterly crushed in patents and new technology by the North, especially before the war. During the war, northerners invented (thanks to Dr. Richard Gatling) the Gatling Gun; then the Parrott Gun, the Dahlgren Gun; had a much more advanced submersible than the “Hunley” in the “Intelligent Whale,” had the Sharps breechloader (before the war) and the Spencer repeater in 1862, not to mention countless innovations in railroad technology; the first steam-powered ironclad in history with a revolving turret; and so on.
Kinda like all the "flying cars" (people carrying drones) many say are "just a few years away". In reality, they're just a few years from dying on the front steps of the FAA building in DC.
Libs, like the AG of Pennsylvania consider the parts of a firearm the same as a fully functional one.